Home / 351,054.40-525,045.60-313,883.20

Finding the Fourth Proportional to 351,054.40, 525,045.60 and 313,883.20

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Solution

The fourth proportional to 351,054.40, 525,045.60 and 313,883.20 is: 469,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,054.40 : 525,045.60 = 313,883.20 : x
  2. Step 2: Convert to fraction form
    351,054.40/525,045.60 = 313,883.20/x
  3. Step 3: Cross multiply
    351,054.40x = 525,045.60 × 313,883.20
  4. Step 4: Simplify right side
    351,054.40x = 164,802,993,073.92
  5. Step 5: Solve for x
    x = 164,802,993,073.92/351,054.40
  6. Step 6: Final answer
    x = 469,451.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.